Interesting test...I just used a Caltar 210mm 4x5 lens, hoping to get vignetting, but it ended up having total coverage (with no movements) which was a surprise to me. I'll try to post some goofy first test results when I can get time to scan the 8x10 chromes. Actually, the other odd test result was the usage of some Ektachrome 100S that expired in 1993 that held up really well considering that it was open and not refrigerated at all. The ones that I ran normal looked good except for DMAX being a little lame, but when pushed it picked up a magenta cast (the more the push, the more the cast...) It should be fun to run some good film as soon as I feel a bit more confident with the set up!